Home / 50,150.61-69,193.85-39,507.21

Finding the Fourth Proportional to 50,150.61, 69,193.85 and 39,507.21

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Solution

The fourth proportional to 50,150.61, 69,193.85 and 39,507.21 is: 54,508.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,150.61 : 69,193.85 = 39,507.21 : x
  2. Step 2: Convert to fraction form
    50,150.61/69,193.85 = 39,507.21/x
  3. Step 3: Cross multiply
    50,150.61x = 69,193.85 × 39,507.21
  4. Step 4: Simplify right side
    50,150.61x = 2,733,655,765.12
  5. Step 5: Solve for x
    x = 2,733,655,765.12/50,150.61
  6. Step 6: Final answer
    x = 54,508.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.